Yes , around 25 - 100 km ( based on where you live)
For slow breathing a place and time you could use it would be when you are meditating and trying to calm yourself when you are overwhelmed, when you wake up in the morning and look at yourself in the mirror you can point out all of the positive things about yourself that you love.
There are no adverb in these sentences
adverb = verb + adjective
Horizontal is from side to side. Vertical is from top to bottom.
